165262073 has 2 divisors, whose sum is σ = 165262074. Its totient is φ = 165262072.

The previous prime is 165262037. The next prime is 165262079. The reversal of 165262073 is 370262561.

Together with previous prime (165262037) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165071104 + 190969 = 12848^2 + 437^2 .

It is a cyclic number.

It is not a de Polignac number, because 165262073 - 2¹² = 165257977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (165262079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82631036 + 82631037.

It is an arithmetic number, because the mean of its divisors is an integer number (82631037).

Almost surely, 2^165262073 is an apocalyptic number.

It is an amenable number.

165262073 is a deficient number, since it is larger than the sum of its proper divisors (1).

165262073 is an equidigital number, since it uses as much as digits as its factorization.

165262073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 165262073 is about 12855.4297088818. The cubic root of 165262073 is about 548.7708894555.

The spelling of 165262073 in words is "one hundred sixty-five million, two hundred sixty-two thousand, seventy-three".